I transferred most of the money out of my NR account on Saturday, and it arrived into my current account today.
As mentioned already, there are at least two serious things to consider here. One is whether NR are a safe bank in which to keep your money - the answer to that question is very subjective, and views vary from one end of the scale to the other. The other is whether you feel you can access your money should you need to - the answer to that question depends on your view of the online service (and phone/branch services) over the last few days.
Personally, I chose to withdraw most of my money, and subsequently close my account, because I have been appalled at the unreliability of the online service. It is almost 7 days since I first started trying to access my account, and while I have been able to login intermittently since Saturday, I am having even less success today than I have been having in the last few days. For me, that is too long to wait for a service to improve and to have it degrade even further (without any notice on their website, that I can see, about the system being unavailable for emergency maintenance, etc) is just taking the ****.
Whether the bank itself is stable or not, I have no faith in their online service, and therefore I'll put my money somewhere that I feel I will have access to it as and when necessary.